Environmental Detectives: PDAs as a Window into a Virtual Simulated World.

Eric Klopfer Kurt Squire Henry Jenkins Environmental Detectives: PDAs as a Window into a Virtual Simulated World. 95-98 2002 conf/wmte/2002 WMTE http://computer.org/proceedings/wmte/1706/17060095abs.htm db/conf/wmte/wmte2002.html#KlopferSJ02